Carbon fiber metro train begins service in E China’s Qingdao
The CETROVO 1.0 subway car started its operation on the Qingdao Metro Line 1 on Friday. With a carbon fiber composite body and frame, it is lighter and more energy-efficient…
The CETROVO 1.0 subway car started its operation on the Qingdao Metro Line 1 on Friday. With a carbon fiber composite body and frame, it is lighter and more energy-efficient…